I used to work for a couple different tire places mounting and balancing tires so I have a little bit of experience when it comes to swapping tires over and changing sizes. Karjunkie is correct in stating you would need a 235/55/17 to keep the overall size of the tire the same as to not mess with anything computer wise on your vehicle.
One tire that was number 1 on consumer reports for the car version is the Fortera Tripletread. It costs more than most tires, but lasts longer and provides extreme traction in all weather. The money you save overall from not replacing your tires every 25,000 miles will make it well worth the cost up front. The tires come with a 60,000 mile warranty that covers tread life. So if you wear them out at 30,000 mile you get a 50% pro-ration towards the next set. I know for a fact sears does a great job with warranties and does a great job with putting tires on and taking them off. If you have any further questions feel free to ask me at any time!
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